Orionsbelter Posted August 10, 2011 Share Posted August 10, 2011 Does anyone know how to pass the description of the goods in purchase using the scripts supplied by paypal. <?php /******************************************** PayPal API Module Defines all the global variables and the wrapper functions ********************************************/ $PROXY_HOST = '127.0.0.1'; $PROXY_PORT = '808'; $SandboxFlag = false; //'------------------------------------ //' PayPal API Credentials //' Replace <API_USERNAME> with your API Username //' Replace <API_PASSWORD> with your API Password //' Replace <API_SIGNATURE> with your Signature //'------------------------------------ $API_UserName=""; $API_Password=""; $API_Signature=""; // BN Code is only applicable for partners $sBNCode = "PP-ECWizard"; /* ' Define the PayPal Redirect URLs. ' This is the URL that the buyer is first sent to do authorize payment with their paypal account ' change the URL depending if you are testing on the sandbox or the live PayPal site ' ' For the sandbox, the URL is https://www.sandbox.paypal.com/webscr&cmd=_express-checkout&token= ' For the live site, the URL is https://www.paypal.com/webscr&cmd=_express-checkout&token= */ if ($SandboxFlag == true) { $API_Endpoint = "https://api-3t.sandbox.paypal.com/nvp"; $PAYPAL_URL = "https://www.sandbox.paypal.com/webscr?cmd=_express-checkout&token="; } else { $API_Endpoint = "https://api-3t.paypal.com/nvp"; $PAYPAL_URL = "https://www.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token="; } $USE_PROXY = false; $version="64"; if (session_id() == "") session_start(); /* An express checkout transaction starts with a token, that identifies to PayPal your transaction In this example, when the script sees a token, the script knows that the buyer has already authorized payment through paypal. If no token was found, the action is to send the buyer to PayPal to first authorize payment */ /* '------------------------------------------------------------------------------------------------------------------------------------------- ' Purpose: Prepares the parameters for the SetExpressCheckout API Call. ' Inputs: ' paymentAmount: Total value of the shopping cart ' currencyCodeType: Currency code value the PayPal API ' paymentType: paymentType has to be one of the following values: Sale or Order or Authorization ' returnURL: the page where buyers return to after they are done with the payment review on PayPal ' cancelURL: the page where buyers return to when they cancel the payment review on PayPal '-------------------------------------------------------------------------------------------------------------------------------------------- */ function CallShortcutExpressCheckout( $paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL) { //------------------------------------------------------------------------------------------------------------------------------------ // Construct the parameter string that describes the SetExpressCheckout API call in the shortcut implementation $nvpstr="&PAYMENTREQUEST_0_AMT=". $paymentAmount; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_PAYMENTACTION=" . $paymentType; $nvpstr = $nvpstr . "&RETURNURL=" . $returnURL; $nvpstr = $nvpstr . "&CANCELURL=" . $cancelURL; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_CURRENCYCODE=" . $currencyCodeType; $_SESSION["currencyCodeType"] = $currencyCodeType; $_SESSION["PaymentType"] = $paymentType; //'--------------------------------------------------------------------------------------------------------------- //' Make the API call to PayPal //' If the API call succeded, then redirect the buyer to PayPal to begin to authorize payment. //' If an error occured, show the resulting errors //'--------------------------------------------------------------------------------------------------------------- $resArray=hash_call("SetExpressCheckout", $nvpstr); $ack = strtoupper($resArray["ACK"]); if($ack=="SUCCESS" || $ack=="SUCCESSWITHWARNING") { $token = urldecode($resArray["TOKEN"]); $_SESSION['TOKEN']=$token; } return $resArray; } /* '------------------------------------------------------------------------------------------------------------------------------------------- ' Purpose: Prepares the parameters for the SetExpressCheckout API Call. ' Inputs: ' paymentAmount: Total value of the shopping cart ' currencyCodeType: Currency code value the PayPal API ' paymentType: paymentType has to be one of the following values: Sale or Order or Authorization ' returnURL: the page where buyers return to after they are done with the payment review on PayPal ' cancelURL: the page where buyers return to when they cancel the payment review on PayPal ' shipToName: the Ship to name entered on the merchant's site ' shipToStreet: the Ship to Street entered on the merchant's site ' shipToCity: the Ship to City entered on the merchant's site ' shipToState: the Ship to State entered on the merchant's site ' shipToCountryCode: the Code for Ship to Country entered on the merchant's site ' shipToZip: the Ship to ZipCode entered on the merchant's site ' shipToStreet2: the Ship to Street2 entered on the merchant's site ' phoneNum: the phoneNum entered on the merchant's site '-------------------------------------------------------------------------------------------------------------------------------------------- */ function CallMarkExpressCheckout( $paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL, $shipToName, $shipToStreet, $shipToCity, $shipToState, $shipToCountryCode, $shipToZip, $shipToStreet2, $phoneNum ) { //------------------------------------------------------------------------------------------------------------------------------------ // Construct the parameter string that describes the SetExpressCheckout API call in the shortcut implementation $nvpstr="&PAYMENTREQUEST_0_AMT=". $paymentAmount; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_PAYMENTACTION=" . $paymentType; $nvpstr = $nvpstr . "&RETURNURL=" . $returnURL; $nvpstr = $nvpstr . "&CANCELURL=" . $cancelURL; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_CURRENCYCODE=" . $currencyCodeType; $nvpstr = $nvpstr . "&ADDROVERRIDE=1"; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTONAME=" . $shipToName; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOSTREET=" . $shipToStreet; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOSTREET2=" . $shipToStreet2; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOCITY=" . $shipToCity; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOSTATE=" . $shipToState; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOCOUNTRYCODE=" . $shipToCountryCode; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOZIP=" . $shipToZip; $nvpstr = $nvpstr . "&PAYMENTREQUEST_0_SHIPTOPHONENUM=" . $phoneNum; $_SESSION["currencyCodeType"] = $currencyCodeType; $_SESSION["PaymentType"] = $paymentType; //'--------------------------------------------------------------------------------------------------------------- //' Make the API call to PayPal //' If the API call succeded, then redirect the buyer to PayPal to begin to authorize payment. //' If an error occured, show the resulting errors //'--------------------------------------------------------------------------------------------------------------- $resArray=hash_call("SetExpressCheckout", $nvpstr); $ack = strtoupper($resArray["ACK"]); if($ack=="SUCCESS" || $ack=="SUCCESSWITHWARNING") { $token = urldecode($resArray["TOKEN"]); $_SESSION['TOKEN']=$token; } return $resArray; } /* '------------------------------------------------------------------------------------------- ' Purpose: Prepares the parameters for the GetExpressCheckoutDetails API Call. ' ' Inputs: ' None ' Returns: ' The NVP Collection object of the GetExpressCheckoutDetails Call Response. '------------------------------------------------------------------------------------------- */ function GetShippingDetails( $token ) { //'-------------------------------------------------------------- //' At this point, the buyer has completed authorizing the payment //' at PayPal. The function will call PayPal to obtain the details //' of the authorization, incuding any shipping information of the //' buyer. Remember, the authorization is not a completed transaction //' at this state - the buyer still needs an additional step to finalize //' the transaction //'-------------------------------------------------------------- //'--------------------------------------------------------------------------- //' Build a second API request to PayPal, using the token as the //' ID to get the details on the payment authorization //'--------------------------------------------------------------------------- $nvpstr="&TOKEN=" . $token; //'--------------------------------------------------------------------------- //' Make the API call and store the results in an array. //' If the call was a success, show the authorization details, and provide //' an action to complete the payment. //' If failed, show the error //'--------------------------------------------------------------------------- $resArray=hash_call("GetExpressCheckoutDetails",$nvpstr); $ack = strtoupper($resArray["ACK"]); if($ack == "SUCCESS" || $ack=="SUCCESSWITHWARNING") { $_SESSION['payer_id'] = $resArray['PAYERID']; } return $resArray; } /* '------------------------------------------------------------------------------------------------------------------------------------------- ' Purpose: Prepares the parameters for the GetExpressCheckoutDetails API Call. ' ' Inputs: ' sBNCode: The BN code used by PayPal to track the transactions from a given shopping cart. ' Returns: ' The NVP Collection object of the GetExpressCheckoutDetails Call Response. '-------------------------------------------------------------------------------------------------------------------------------------------- */ function ConfirmPayment( $FinalPaymentAmt ) { /* Gather the information to make the final call to finalize the PayPal payment. The variable nvpstr holds the name value pairs */ //Format the other parameters that were stored in the session from the previous calls $token = urlencode($_SESSION['TOKEN']); $paymentType = urlencode($_SESSION['PaymentType']); $currencyCodeType = urlencode($_SESSION['currencyCodeType']); $payerID = urlencode($_SESSION['payer_id']); $serverName = urlencode($_SERVER['SERVER_NAME']); $nvpstr = '&TOKEN=' . $token . '&PAYERID=' . $payerID . '&PAYMENTREQUEST_0_PAYMENTACTION=' . $paymentType . '&PAYMENTREQUEST_0_AMT=' . $FinalPaymentAmt; $nvpstr .= '&PAYMENTREQUEST_0_CURRENCYCODE=' . $currencyCodeType . '&IPADDRESS=' . $serverName; /* Make the call to PayPal to finalize payment If an error occured, show the resulting errors */ $resArray=hash_call("DoExpressCheckoutPayment",$nvpstr); /* Display the API response back to the browser. If the response from PayPal was a success, display the response parameters' If the response was an error, display the errors received using APIError.php. */ $ack = strtoupper($resArray["ACK"]); return $resArray; } /* '------------------------------------------------------------------------------------------------------------------------------------------- ' Purpose: This function makes a DoDirectPayment API call ' ' Inputs: ' paymentType: paymentType has to be one of the following values: Sale or Order or Authorization ' paymentAmount: total value of the shopping cart ' currencyCode: currency code value the PayPal API ' firstName: first name as it appears on credit card ' lastName: last name as it appears on credit card ' street: buyer's street address line as it appears on credit card ' city: buyer's city ' state: buyer's state ' countryCode: buyer's country code ' zip: buyer's zip ' creditCardType: buyer's credit card type (i.e. Visa, MasterCard ... ) ' creditCardNumber: buyers credit card number without any spaces, dashes or any other characters ' expDate: credit card expiration date ' cvv2: Card Verification Value ' '------------------------------------------------------------------------------------------- ' ' Returns: ' The NVP Collection object of the DoDirectPayment Call Response. '-------------------------------------------------------------------------------------------------------------------------------------------- */ function DirectPayment( $paymentType, $paymentAmount, $creditCardType, $creditCardNumber, $expDate, $cvv2, $firstName, $lastName, $street, $city, $state, $zip, $countryCode, $currencyCode ) { //Construct the parameter string that describes DoDirectPayment $nvpstr = "&AMT=" . $paymentAmount; $nvpstr = $nvpstr . "&CURRENCYCODE=" . $currencyCode; $nvpstr = $nvpstr . "&PAYMENTACTION=" . $paymentType; $nvpstr = $nvpstr . "&CREDITCARDTYPE=" . $creditCardType; $nvpstr = $nvpstr . "&ACCT=" . $creditCardNumber; $nvpstr = $nvpstr . "&EXPDATE=" . $expDate; $nvpstr = $nvpstr . "&CVV2=" . $cvv2; $nvpstr = $nvpstr . "&FIRSTNAME=" . $firstName; $nvpstr = $nvpstr . "&LASTNAME=" . $lastName; $nvpstr = $nvpstr . "&STREET=" . $street; $nvpstr = $nvpstr . "&CITY=" . $city; $nvpstr = $nvpstr . "&STATE=" . $state; $nvpstr = $nvpstr . "&COUNTRYCODE=" . $countryCode; $nvpstr = $nvpstr . "&IPADDRESS=" . $_SERVER['REMOTE_ADDR']; $resArray=hash_call("DoDirectPayment", $nvpstr); return $resArray; } /** '------------------------------------------------------------------------------------------------------------------------------------------- * hash_call: Function to perform the API call to PayPal using API signature * @methodName is name of API method. * @nvpStr is nvp string. * returns an associtive array containing the response from the server. '------------------------------------------------------------------------------------------------------------------------------------------- */ function hash_call($methodName,$nvpStr) { //declaring of global variables global $API_Endpoint, $version, $API_UserName, $API_Password, $API_Signature; global $USE_PROXY, $PROXY_HOST, $PROXY_PORT; global $gv_ApiErrorURL; global $sBNCode; //setting the curl parameters. $ch = curl_init(); curl_setopt($ch, CURLOPT_URL,$API_Endpoint); curl_setopt($ch, CURLOPT_VERBOSE, 1); //turning off the server and peer verification(TrustManager Concept). curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); curl_setopt($ch, CURLOPT_RETURNTRANSFER,1); curl_setopt($ch, CURLOPT_POST, 1); //if USE_PROXY constant set to TRUE in Constants.php, then only proxy will be enabled. //Set proxy name to PROXY_HOST and port number to PROXY_PORT in constants.php if($USE_PROXY) curl_setopt ($ch, CURLOPT_PROXY, $PROXY_HOST. ":" . $PROXY_PORT); //NVPRequest for submitting to server $nvpreq="METHOD=" . urlencode($methodName) . "&VERSION=" . urlencode($version) . "&PWD=" . urlencode($API_Password) . "&USER=" . urlencode($API_UserName) . "&SIGNATURE=" . urlencode($API_Signature) . $nvpStr . "&BUTTONSOURCE=" . urlencode($sBNCode); //setting the nvpreq as POST FIELD to curl curl_setopt($ch, CURLOPT_POSTFIELDS, $nvpreq); //getting response from server $response = curl_exec($ch); //convrting NVPResponse to an Associative Array $nvpResArray=deformatNVP($response); $nvpReqArray=deformatNVP($nvpreq); $_SESSION['nvpReqArray']=$nvpReqArray; if (curl_errno($ch)) { // moving to display page to display curl errors $_SESSION['curl_error_no']=curl_errno($ch) ; $_SESSION['curl_error_msg']=curl_error($ch); //Execute the Error handling module to display errors. } else { //closing the curl curl_close($ch); } return $nvpResArray; } /*'---------------------------------------------------------------------------------- Purpose: Redirects to PayPal.com site. Inputs: NVP string. Returns: ---------------------------------------------------------------------------------- */ function RedirectToPayPal ( $token ) { global $PAYPAL_URL; // Redirect to paypal.com here $payPalURL = $PAYPAL_URL . $token; header("Location: ".$payPalURL); } /*'---------------------------------------------------------------------------------- * This function will take NVPString and convert it to an Associative Array and it will decode the response. * It is usefull to search for a particular key and displaying arrays. * @nvpstr is NVPString. * @nvpArray is Associative Array. ---------------------------------------------------------------------------------- */ function deformatNVP($nvpstr) { $intial=0; $nvpArray = array(); while(strlen($nvpstr)) { //postion of Key $keypos= strpos($nvpstr,'='); //position of value $valuepos = strpos($nvpstr,'&') ? strpos($nvpstr,'&'): strlen($nvpstr); /*getting the Key and Value values and storing in a Associative Array*/ $keyval=substr($nvpstr,$intial,$keypos); $valval=substr($nvpstr,$keypos+1,$valuepos-$keypos-1); //decoding the respose $nvpArray[urldecode($keyval)] =urldecode( $valval); $nvpstr=substr($nvpstr,$valuepos+1,strlen($nvpstr)); } return $nvpArray; } ?> <?php require_once ("paypalfunctions.php"); // ================================== // PayPal Express Checkout Module // ================================== //'------------------------------------ //' The paymentAmount is the total value of //' the shopping cart, that was set //' earlier in a session variable //' by the shopping cart page //'------------------------------------ $paymentAmount = $_SESSION["Payment_Amount"]; //'------------------------------------ //' The currencyCodeType and paymentType //' are set to the selections made on the Integration Assistant //'------------------------------------ $currencyCodeType = "GBP"; $paymentType = "Sale"; //'------------------------------------ //' The returnURL is the location where buyers return to when a //' payment has been succesfully authorized. //' //' This is set to the value entered on the Integration Assistant //'------------------------------------ $returnURL = ""; //'------------------------------------ //' The cancelURL is the location buyers are sent to when they hit the //' cancel button during authorization of payment during the PayPal flow //' //' This is set to the value entered on the Integration Assistant //'------------------------------------ $cancelURL = ""; //'------------------------------------ //' Calls the SetExpressCheckout API call //' //' The CallShortcutExpressCheckout function is defined in the file PayPalFunctions.php, //' it is included at the top of this file. //'------------------------------------------------- $resArray = CallShortcutExpressCheckout ($paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL); $ack = strtoupper($resArray["ACK"]); if($ack=="SUCCESS" || $ack=="SUCCESSWITHWARNING") { RedirectToPayPal ( $resArray["TOKEN"] ); } else { //Display a user friendly Error on the page using any of the following error information returned by PayPal $ErrorCode = urldecode($resArray["L_ERRORCODE0"]); $ErrorShortMsg = urldecode($resArray["L_SHORTMESSAGE0"]); $ErrorLongMsg = urldecode($resArray["L_LONGMESSAGE0"]); $ErrorSeverityCode = urldecode($resArray["L_SEVERITYCODE0"]); echo "SetExpressCheckout API call failed. "; echo "Detailed Error Message: " . $ErrorLongMsg; echo "Short Error Message: " . $ErrorShortMsg; echo "Error Code: " . $ErrorCode; echo "Error Severity Code: " . $ErrorSeverityCode; } ?> Quote Link to comment https://forums.phpfreaks.com/topic/244426-paypal-express-how-do-you-pass-the-description-through/ Share on other sites More sharing options...
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